# How do you find the roots, real and imaginary, of #y= -2(x+1)^2+(-x-2)^2 # using the quadratic formula?

##### 1 Answer

Jan 5, 2016

#### Answer:

Form a quadratic equation, and solve it. Method below first, solution underneath.

#### Explanation:

**Method**

Start by writing your equation in the form:

The roots are when

So you will have a quadratic equation of the form:

Then use the quadratic formula:

Which can give two roots due to the

**Solution**

for roots,

so

or